Cape Girardeau, MO

Climate overview — based on NOAA 1991-2020 normals from CAPE GIRARDEAU MUNI AP, MO US.

Cfa Humid subtropical climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

20° 40° 60° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Cape Girardeau has an annual average temperature of 57.7°F with about 47.9 inches of precipitation per year. The warmest month is July (average high 89.2°F), and the coldest is January (average low 26.2°F). May is typically the wettest month (5.27 in) and August the driest (3.23 in).

Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
44.7°F
warmest to coldest month
Heating need
3,978
Cooling need
1,362

Best time to visit Cape Girardeau

Full guide →

Climate change signal

All-time records →

65 of 366 (17.8%) of Cape Girardeau's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1960s
84
1970s
51
1980s
66
1990s
49
2000s
22
2010s
53
2020s
41

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 43.0°F 26.2°F 34.6°F 3.51 in 9
February 48.2°F 29.7°F 38.9°F 3.31 in 9
March 58.1°F 37.3°F 47.7°F 4.69 in 12
April 69.0°F 46.8°F 57.9°F 5.18 in 11
May 78.1°F 57.5°F 67.8°F 5.27 in 12
June 86.6°F 65.9°F 76.2°F 3.80 in 10
July 89.2°F 69.3°F 79.3°F 3.87 in 10
August 88.3°F 66.4°F 77.4°F 3.23 in 8
September 81.8°F 57.7°F 69.7°F 3.61 in 8
October 70.9°F 46.3°F 58.6°F 3.57 in 9
November 56.8°F 36.7°F 46.7°F 4.25 in 10
December 46.3°F 29.8°F 38.0°F 3.62 in 9

Climate twins of Cape Girardeau

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

Compare Cape Girardeau to another city